Piccardi
{{PatentInfo |Inventor=Gabriel Larsen |Assignee=L. E. Waterman Company |Country=US |ApplicationNum=413738 |ApplicationDate=1929-12-13 |PatentNum=1876698 |PatentDate=1932-09-13 |PriorityDate=1929-12-13 |Titolo=Pencil |Marca=Waterman |Descrizione=Matita ...